Li-Hsun
Li-Hsun Chang, Taoyuan County TW
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20130128417 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device including a lower housing, an upper housing, a touch panel, a display module, a partition, position posts, cushions, and an actuator is provided. The upper housing is above and separated from the lower housing. The touch panel is at an opening of the upper housing and connects with the upper housing. The display module is disposed in the upper housing and connected with the lower housing. The partition is between the display module and the lower housing and connected to the upper housing. The partition has position holes. The position posts are located in their corresponding position holes and connected with the display module. The cushions are located between the corresponding position post and the position hole. The actuator is disposed between the display module and the upper housing to force the upper housing to shift relative to the display module and the lower housing. | 05-23-2013 |
Li-Hsun Chang, New Taipei City TW
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20130137323 | METHOD FOR PREPARING A FUNCTIONAL FILM VIA COFFEE OIL AND TEXTILE THEREOF - The present invention relates to a method for preparing a functional film via coffee oil, comprising (a) extracting a coffee oil from coffee; (b) modifying the coffee oil to obtain an epoxidized coffee oil; (c) adding an alcohol into the epoxidized coffee oil to obtain a coffee polyol; (d) synthesizing a polyurethane dispersive solution with the coffee polyol; (e) coating a surface of a substrate with the polyurethane dispersive solution; and (f) drying and fixing the surface of the substrate. The present invention further provides a functional textile comprising a functional film prepared by the method of above. | 05-30-2013 |
20150051306 | METHOD FOR PREPARING A COFFEE POLYOL AND COMPOSITIONS AND MATERIALS CONTAINING THE SAME - A method for preparing a coffee polyol includes: (a) extracting coffee oil from coffee grounds; (b) modifying the coffee oil to obtain an epoxidized coffee oil; and (c) reacting an alcohol with the epoxidized coffee oil to obtain a coffee polyol. A polyurethane dispersive solution is prepared from a prepolymer composition that includes: a coffee polyol prepared from the abovementioned method; an isocyanate; and a solvent. A foam-based material is made from a foaming composition that includes a coffee polyol prepared from the abovementioned method. A polyurethane material is made from a polyurethane composition that includes a coffee polyol prepared from the abovementioned method. | 02-19-2015 |
Li-Hsun Chen, Tao-Yuan Hsien TW
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20120326740 | BURN-IN TESTING APPARATUS - A testing apparatus includes a thermal control chamber including a test room, which temperature is controlled within a testing temperature range; a carrier frame including a direction guiding unit installed securely within the test room and formed with one guiding groove and a carrier rod extending through the guiding groove in the direction guiding unit; and a clamping unit mounted on the carrier rod for clamping a display-panel module securely, wherein, movement of the carrier rod transversely within the guiding groove relative to the direction guiding unit results in disposing the display-panel module to extend along one of several testing directions for undergoing a burn-in test. | 12-27-2012 |
Li-Hsun Chen, Taichung City TW
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20130130463 | MANUFACTURING METHOD OF CHARGING CAPACITY STRUCTURE - A method of manufacturing a charging capacity structure includes steps of: forming a first oxide layer, a support layer and a second oxide layer on a substrate in sequence; forming a plurality of etching holes on the surface of the second oxide layer in a matrix to run through the substrate that are spaced from each other at a selected distance; forming a plurality of pillar layers in the etching holes; removing the second oxide layer by etching; forming an etching protection layer on the surfaces of the support layer and pillar tubes that is formed at a thickness one half of the spaced distance between the etching holes such that the pillar tubes at diagonal locations form a self-calibration hole; and finally removing the first oxide layer from the self-calibration hole by etching. Through the self-calibration hole, the invention needn't to provide extra photoresists to form holes. | 05-23-2013 |